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/*******************************************************************************
* Copyright (c) 2011, 2015 VMware Inc. and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* SpringSource, a division of VMware - initial API and implementation and/or initial documentation
*******************************************************************************/
package org.eclipse.equinox.region.internal.tests.hook;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.*;
import org.eclipse.equinox.region.*;
import org.eclipse.equinox.region.internal.tests.RegionReflectionUtils;
import org.eclipse.virgo.teststubs.osgi.framework.StubBundle;
import org.eclipse.virgo.teststubs.osgi.framework.StubBundleContext;
import org.junit.*;
import org.osgi.framework.*;
import org.osgi.framework.hooks.bundle.EventHook;
public class RegionBundleEventHookTests {
private static final String BUNDLE_X = "X";
private static final Version BUNDLE_VERSION = new Version("0");
private long bundleId;
private static final String REGION_A = "RegionA";
private static final String BUNDLE_A = "BundleA";
private static final String REGION_B = "RegionB";
private static final String BUNDLE_B = "BundleB";
private static final String REGION_C = "RegionC";
private static final String BUNDLE_C = "BundleC";
private static final String REGION_D = "RegionD";
private static final String BUNDLE_D = "BundleD";
private RegionDigraph digraph;
private EventHook bundleEventHook;
private Map<String, Region> regions;
private Map<String, Bundle> bundles;
private ThreadLocal<Region> threadLocal;
@Before
public void setUp() throws Exception {
this.bundleId = 1L;
this.regions = new HashMap<String, Region>();
this.bundles = new HashMap<String, Bundle>();
StubBundle stubSystemBundle = new StubBundle(0L, "osgi.framework", new Version("0"), "loc");
StubBundleContext stubBundleContext = new StubBundleContext();
stubBundleContext.addInstalledBundle(stubSystemBundle);
this.threadLocal = new ThreadLocal<Region>();
this.digraph = RegionReflectionUtils.newStandardRegionDigraph(stubBundleContext, this.threadLocal);
this.bundleEventHook = RegionReflectionUtils.newRegionBundleEventHook(digraph, threadLocal, stubSystemBundle.getBundleId());
// Create regions A, B, C, D containing bundles A, B, C, D, respectively.
createRegion(REGION_A, BUNDLE_A);
createRegion(REGION_B, BUNDLE_B);
createRegion(REGION_C, BUNDLE_C);
createRegion(REGION_D, BUNDLE_D);
createBundle(BUNDLE_X);
}
@After
public void tearDown() throws Exception {
// nothing
}
@Test
public void testEventInSameRegion() {
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A);
this.bundleEventHook.event(bundleEvent(BUNDLE_A), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_A)));
}
@Test
public void testEventInDisconnectedRegion() {
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A);
this.bundleEventHook.event(bundleEvent(BUNDLE_B), contexts);
assertFalse(contexts.contains(bundleContext(BUNDLE_A)));
}
@Test
public void testEventConnectedRegionAllowed() throws BundleException, InvalidSyntaxException {
doTestEventConnectedRegionAllowed(false);
}
@Test
public void testEventConnectedRegionAllowedWithNegate() throws BundleException, InvalidSyntaxException {
doTestEventConnectedRegionAllowed(true);
}
private void doTestEventConnectedRegionAllowed(boolean negate) throws BundleException, InvalidSyntaxException {
RegionFilter filter = createFilter(negate, BUNDLE_B);
region(REGION_A).connectRegion(region(REGION_B), filter);
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A);
this.bundleEventHook.event(bundleEvent(BUNDLE_B), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_A)));
}
@Test
public void testEventConnectedRegionFiltering() throws BundleException, InvalidSyntaxException {
doTestEventConnectedRegionFiltering(false);
}
@Test
public void testEventConnectedRegionFilteringWithNegate() throws BundleException, InvalidSyntaxException {
doTestEventConnectedRegionFiltering(true);
}
private void doTestEventConnectedRegionFiltering(boolean negate) throws BundleException, InvalidSyntaxException {
region(REGION_A).connectRegion(region(REGION_B), createFilter(negate, BUNDLE_B));
Bundle x = createBundle(BUNDLE_X);
region(REGION_B).addBundle(x);
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A, BUNDLE_B, BUNDLE_X);
this.bundleEventHook.event(bundleEvent(BUNDLE_X), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_B)));
assertTrue(contexts.contains(bundleContext(BUNDLE_X)));
assertFalse(contexts.contains(bundleContext(BUNDLE_A)));
}
@Test
public void testEventTransitive() throws BundleException, InvalidSyntaxException {
doTestEventTransitive(false);
}
@Test
public void testEventTransitiveWithNegate() throws BundleException, InvalidSyntaxException {
doTestEventTransitive(true);
}
private void doTestEventTransitive(boolean negate) throws BundleException, InvalidSyntaxException {
region(REGION_A).connectRegion(region(REGION_B), createFilter(negate, BUNDLE_C));
region(REGION_B).connectRegion(region(REGION_C), createFilter(negate, BUNDLE_C));
region(REGION_C).addBundle(bundle(BUNDLE_X));
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A, BUNDLE_B, BUNDLE_X);
this.bundleEventHook.event(bundleEvent(BUNDLE_C), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_B)));
assertTrue(contexts.contains(bundleContext(BUNDLE_X)));
assertTrue(contexts.contains(bundleContext(BUNDLE_A)));
contexts = bundleContexts(BUNDLE_A, BUNDLE_B, BUNDLE_X);
this.bundleEventHook.event(bundleEvent(BUNDLE_X), contexts);
assertFalse(contexts.contains(bundleContext(BUNDLE_B)));
assertTrue(contexts.contains(bundleContext(BUNDLE_X)));
assertFalse(contexts.contains(bundleContext(BUNDLE_A)));
}
@Test
public void testEventInCyclicGraph() throws BundleException, InvalidSyntaxException {
doTestEventInCyclicGraph(false);
}
@Test
public void testEventInCyclicGraphWithNegate() throws BundleException, InvalidSyntaxException {
doTestEventInCyclicGraph(true);
}
private void doTestEventInCyclicGraph(boolean negate) throws BundleException, InvalidSyntaxException {
region(REGION_D).addBundle(bundle(BUNDLE_X));
region(REGION_A).connectRegion(region(REGION_B), createFilter(negate, BUNDLE_D, BUNDLE_X));
region(REGION_B).connectRegion(region(REGION_A), createFilter(negate));
region(REGION_B).connectRegion(region(REGION_D), createFilter(negate, BUNDLE_D));
region(REGION_D).connectRegion(region(REGION_B), createFilter(negate));
region(REGION_B).connectRegion(region(REGION_C), createFilter(negate, BUNDLE_X));
region(REGION_C).connectRegion(region(REGION_B), createFilter(negate));
region(REGION_C).connectRegion(region(REGION_D), createFilter(negate, BUNDLE_X));
region(REGION_D).connectRegion(region(REGION_C), createFilter(negate));
region(REGION_A).connectRegion(region(REGION_C), createFilter(negate));
region(REGION_C).connectRegion(region(REGION_A), createFilter(negate));
region(REGION_D).connectRegion(region(REGION_A), createFilter(negate));
region(REGION_A).connectRegion(region(REGION_D), createFilter(negate));
Collection<BundleContext> contexts = bundleContexts(BUNDLE_A, BUNDLE_B);
this.bundleEventHook.event(bundleEvent(BUNDLE_B), contexts);
assertFalse(contexts.contains(bundleContext(BUNDLE_A)));
assertTrue(contexts.contains(bundleContext(BUNDLE_B)));
contexts = bundleContexts(BUNDLE_A, BUNDLE_B);
this.bundleEventHook.event(bundleEvent(BUNDLE_C), contexts);
assertFalse(contexts.contains(bundleContext(BUNDLE_A)));
assertFalse(contexts.contains(bundleContext(BUNDLE_B)));
contexts = bundleContexts(BUNDLE_A, BUNDLE_B);
this.bundleEventHook.event(bundleEvent(BUNDLE_D), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_A)));
assertTrue(contexts.contains(bundleContext(BUNDLE_B)));
contexts = bundleContexts(BUNDLE_A, BUNDLE_B);
this.bundleEventHook.event(bundleEvent(BUNDLE_X), contexts);
assertTrue(contexts.contains(bundleContext(BUNDLE_A)));
assertTrue(contexts.contains(bundleContext(BUNDLE_B)));
}
@Test
public void testEventFromSystemBundle() {
Bundle systemBundle = new StubBundle(0L, "sys", BUNDLE_VERSION, "");
Collection<BundleContext> contexts = new ArrayList<BundleContext>(Arrays.asList(systemBundle.getBundleContext()));
this.bundleEventHook.event(bundleEvent(BUNDLE_A), contexts);
assertTrue(contexts.contains(systemBundle.getBundleContext()));
}
@Test
public void testEventFromBundleInNoRegion() {
Bundle stranger = createBundle("stranger");
Collection<BundleContext> contexts = new ArrayList<BundleContext>(Arrays.asList(stranger.getBundleContext()));
this.bundleEventHook.event(bundleEvent(BUNDLE_A), contexts);
assertTrue(contexts.isEmpty());
}
@Test
public void testDefaultRegion() {
this.digraph.setDefaultRegion(null);
Bundle x = createBundle("installed.X");
this.bundleEventHook.event(new BundleEvent(BundleEvent.INSTALLED, x, bundle(BUNDLE_A)), Collections.<BundleContext> emptyList());
assertTrue(this.digraph.getRegion(x).equals(region(REGION_A)));
this.digraph.setDefaultRegion(region(REGION_B));
Bundle y = createBundle("installed.Y");
this.bundleEventHook.event(new BundleEvent(BundleEvent.INSTALLED, y, bundle(BUNDLE_A)), Collections.<BundleContext> emptyList());
assertTrue(this.digraph.getRegion(y).equals(region(REGION_B)));
}
private Region createRegion(String regionName, String... bundleSymbolicNames) throws BundleException {
Region region = this.digraph.createRegion(regionName);
for (String bundleSymbolicName : bundleSymbolicNames) {
Bundle stubBundle = createBundle(bundleSymbolicName);
region.addBundle(stubBundle);
}
this.regions.put(regionName, region);
return region;
}
private Region region(String regionName) {
return this.regions.get(regionName);
}
private RegionFilter createFilter(boolean negate, String... bundleSymbolicNames) throws InvalidSyntaxException {
Collection<String> filters = new ArrayList<String>(bundleSymbolicNames.length);
for (String bundleSymbolicName : bundleSymbolicNames) {
filters.add('(' + RegionFilter.VISIBLE_BUNDLE_NAMESPACE + '=' + bundleSymbolicName + ')');
}
RegionFilterBuilder builder = digraph.createRegionFilterBuilder();
for (String filter : filters) {
builder.allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, filter);
}
if (negate) {
String negateFilter = "(!(|" + "(" + RegionFilter.VISIBLE_ALL_NAMESPACE_ATTRIBUTE + "=" + RegionFilter.VISIBLE_BUNDLE_NAMESPACE + ")" + "(" + RegionFilter.VISIBLE_ALL_NAMESPACE_ATTRIBUTE + "=" + RegionFilter.VISIBLE_BUNDLE_LIFECYCLE_NAMESPACE + ")" + "))";
builder.allow(RegionFilter.VISIBLE_ALL_NAMESPACE, negateFilter);
}
return builder.build();
}
private Bundle createBundle(String bundleSymbolicName) {
Bundle stubBundle = new StubBundle(this.bundleId++, bundleSymbolicName, BUNDLE_VERSION, "loc:" + bundleSymbolicName);
this.bundles.put(bundleSymbolicName, stubBundle);
return stubBundle;
}
private Collection<BundleContext> bundleContexts(String... bundleSymbolicNames) {
Collection<BundleContext> contexts = new ArrayList<BundleContext>();
for (String symbolicName : bundleSymbolicNames) {
contexts.add(bundleContext(symbolicName));
}
return contexts;
}
private BundleContext bundleContext(String bundleSymbolicName) {
return bundle(bundleSymbolicName).getBundleContext();
}
private BundleEvent bundleEvent(String budnleSymbolicName) {
return new BundleEvent(BundleEvent.STARTED, bundle(budnleSymbolicName));
}
private Bundle bundle(String bundleSymbolicName) {
Bundle bundleA = this.bundles.get(bundleSymbolicName);
return bundleA;
}
}
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